$OpenBSD: patch-lib_ext2fs_blkmap64_rb_c,v 1.1 2016/09/10 13:03:43 ajacoutot Exp $
--- lib/ext2fs/blkmap64_rb.c.orig	Sat Sep 10 12:30:47 2016
+++ lib/ext2fs/blkmap64_rb.c	Sat Sep 10 12:31:10 2016
@@ -15,6 +15,7 @@
 #include <unistd.h>
 #endif
 #include <fcntl.h>
+#include <sys/select.h> /* timeval */
 #include <time.h>
 #if HAVE_SYS_STAT_H
 #include <sys/stat.h>
